|Temple name|Posthumous name|Family name (in bold) and personal name|Reign|Era names and their year ranges|Notes|
|---|---|---|---|---|---|
|Shizu 始祖|Emperor Wulie 武烈皇帝|Sun Jian 孫堅|(N/A)|(N/A)|Sun Jian's temple and posthumous names were granted posthumously by Sun Quan.|
|(N/A)|Prince Huan of Changsha 長沙桓王|Sun Ce 孫策|(N/A)|(N/A)|Sun Ce's posthumous name was granted posthumously by Sun Quan.|
|Taizu 太祖|Emperor Da 大皇帝|Sun Quan 孫權|222-252|Huangwu 黃武 (222-229) Huanglong 黃龍 (229-231) Jiahe 嘉禾 (232-238) Chiwu 赤烏 (238-251) Taiyuan 太元 (251-252) Shenfeng 神鳳 (252)|Sun Quan adopted the era name "Huangwu" in 222 after declaring independence from Wei. However, he continued ruling under the title "King of Wu" and did not proclaim himself emperor until 229.|
|(N/A)|(N/A)|Sun Liang|252-258|Jianxing 建興 (252-253) Wufeng 五鳳 (254-256) Taiping 太平 (256-258)|Sun Liang became "Prince of Kuaiji" (會稽王) after he was dethroned by Sun Chen in 258. In 260, his successor Sun Xiu further demoted him to "Marquis of Houguan" (侯官侯).|
|(N/A)|Emperor Jing 景皇帝|Sun Xiu 孫休|258-264|Yong'an 永安 (258-264)||
|(N/A)|Emperor Wen 文皇帝|Sun He 孫和|(N/A)|(N/A)|Sun He's posthumous name was granted posthumously by Sun Hao.|
|(N/A)|(N/A)|Sun Hao 孫皓|264-280|Yuanxing 元興 (264-265) Ganlu 甘露 (265-266) Baoding 寶鼎 (266-269) Jianheng 建衡 (269-271) Fenghuang 鳳凰 (272-274) Tiance 天冊 (275-276) Tianxi 天璽 (276) Tianji 天紀 (277-280)|Sun Hao held the title of "Marquis of Wucheng" (烏程侯) before he became emperor in 264. In 280, after surrendering to the Jin dynasty, he was granted the title of granted the title of "Marquis of Guiming" (歸命侯) by Sima Yan. He is also sometimes referred to as "Emperor Mo of Wu" (吳末帝), which literally means "last emperor of Wu".|

Question: how many eastern wu rules were there?
Answer: 7